CN211046413U - But high-speed joint straight wall pipe - Google Patents
But high-speed joint straight wall pipe Download PDFInfo
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- CN211046413U CN211046413U CN201922002299.5U CN201922002299U CN211046413U CN 211046413 U CN211046413 U CN 211046413U CN 201922002299 U CN201922002299 U CN 201922002299U CN 211046413 U CN211046413 U CN 211046413U
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Abstract
A fast-connection straight-wall pipe belongs to the technical field of straight-wall pipes. The first straight wall body and the second straight wall body are connected in a matched mode through the connecting component, the connecting component comprises an external thread connecting piece and an internal thread connecting piece which are in threaded connection, threads of the external thread connecting piece and the internal thread connecting piece are gradually changed threads of tooth width, the connecting portion of the first straight wall body and the internal thread connecting piece is in radial interference sealing fit through conical surface threaded connection, and the connecting portion of the external thread connecting piece and the second straight wall body is in radial interference sealing fit through conical surface threaded connection. Above-mentioned but straight wall pipe of high-speed joint, its all screw threads homoenergetic undertake the moment of torsion effect, and axial and radial deflection grow, and strong adaptability to the base settlement can undertake bigger axial tension and compression load simultaneously, have strengthened the resistance of straight wall pipe to soil load. The assembly difficulty is reduced, the quick connection of the straight-wall pipe can be realized, and the construction efficiency is obviously improved.
Description
Technical Field
The utility model belongs to the technical field of the straight-walled pipe, specifically be a but quick connection straight-walled pipe.
Background
Along with the development needs of urban construction, the straight-wall pipe is widely applied, and a plurality of drainage projects and communication power cables need to be laid underground. In order to better protect the communication power cable, when various cables are laid, the cables are laid after penetrating through the straight-wall pipe, and the protection effect can be achieved. The existing straight-wall pipe has many connection modes, such as electric hot-melt strip connection, pipe clamp connection, heat shrinkage connection, flange connection and the like, and some connection modes have good strength, but are difficult to connect and complex in process; some connecting processes are complex and uneven in strength, so that the straight-wall pipe is cracked and deformed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to design and provide a technical scheme capable of quickly connecting the straight-wall pipe, which has strong adaptability to the settlement of the pipe base, can bear larger axial tension and compression load, and enhances the resistance of the straight-wall pipe to the soil load; the connecting process is simple, the assembling difficulty is obviously reduced, the quick connection of the straight-wall pipe can be realized, and the construction efficiency is improved; and can prevent the cracking and the deformation of the connecting part of the straight wall pipe, and has long service life.
The quick-connection straight-wall pipe comprises a first straight-wall pipe body and a second straight-wall pipe body, and is characterized in that the first straight-wall pipe body and the second straight-wall pipe body are connected in a matched mode through a connecting member, the connecting member comprises an external thread connecting piece and an internal thread connecting piece which are matched in a threaded mode, threads of the external thread connecting piece and threads of the internal thread connecting piece are gradually changed in tooth width, the tooth width of an internal thread of the internal thread connecting piece is M1, the M1 gradually increases inwards along the end part of the internal thread, the tooth groove width of the first internal thread is M2, and the M2 gradually decreases inwards along the end part of the internal thread; the tooth width of the external thread connecting piece is M3, M3 gradually increases along the end part of the external thread, the tooth space width of the second internal thread is M4, and M4 gradually decreases along the end part of the internal thread; the first straight wall pipe body and the internal thread connecting part are in radial interference seal fit through the threaded connection of the conical surface, and the external thread connecting part and the second straight wall pipe body are in radial interference seal fit through the threaded connection of the conical surface.
The fast-connectable straight-wall pipe is characterized in that a first sealing conical surface is arranged on the inner wall of the connecting part of the first straight-wall pipe, a first positioning groove is arranged at the inner end of the first sealing conical surface, and first internal threads are arranged on the first sealing conical surface; an internal thread sealing conical surface is correspondingly arranged on the left side of the internal thread connecting piece, a left end positioning bulge is arranged at the outermost end of the internal thread sealing conical surface, and a left end external thread is arranged on the internal thread sealing conical surface; when in screw connection, the first sealing conical surface and the internal thread sealing conical surface are in radial interference fit, and the first positioning groove and the left end positioning bulge are in axial interference seal through the concave-convex conical surface.
The fast-connectable straight-wall pipe is characterized in that a second sealing conical surface is arranged on the inner wall of the connecting part of the second straight-wall pipe body, a second positioning groove is arranged at the inner end of the second sealing conical surface, and a second internal thread is arranged on the second sealing conical surface; the right side of the external thread connecting piece is correspondingly provided with an external thread sealing conical surface, the outermost end of the external thread sealing conical surface is provided with a right end positioning bulge, and a right end external thread is arranged on the external thread sealing conical surface; when in screw connection, the second sealing conical surface and the external thread sealing conical surface are in radial interference fit, and the second positioning groove and the right end positioning bulge are in axial interference seal through the concave-convex conical surface.
Above-mentioned but straight wall pipe of high-speed joint, its all screw threads homoenergetic undertake the moment of torsion effect, and axial and radial deflection grow, and strong adaptability to the base settlement can undertake bigger axial tension and compression load simultaneously, have strengthened the resistance of straight wall pipe to soil load. The assembly difficulty is reduced, the quick connection of the straight-wall pipe can be realized, and the construction efficiency is obviously improved; when the connector is used, the sealing conical surface and the sealing conical surface are in radial interference sealing, the concave-convex conical surface is in axial interference sealing, the bending resistance is strong, the sealing effect is good, the connecting part of the straight-wall pipe is prevented from cracking and deforming, and the service life is long.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
fig. 2 is a schematic structural view of the female connector of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the external thread connecting piece of the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4;
fig. 6 is a schematic structural view of a first straight-wall pipe body of the present invention;
fig. 7 is a schematic structural view of a second straight-wall pipe body of the present invention;
FIG. 8 is a view showing a connecting structure of the first straight-walled tube body and the connecting member according to the present invention;
fig. 9 is a schematic structural view of the first straight-wall pipe body and the second straight-wall pipe body of the present invention after being connected to the connecting member;
in the figure: 1-a first straight-wall tube body, 101-a first positioning groove, 102-a first internal thread, 103-a first sealing conical surface, 2-an internal thread connecting piece, 201-an internal thread tooth width, 202-a first internal thread tooth space width, 203-a left end external thread, 204-a left end positioning bulge, 205-an internal thread sealing conical surface, 3-an external thread connecting piece, 301-a second internal thread tooth space width, 302-a thread tooth width, 303-a right end external thread, 304-a right end positioning bulge, 305-an external thread sealing conical surface, 4-a second straight-wall tube body, 401-a second positioning groove, 402-a second internal thread and 403-a second sealing conical surface.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the figure, the quickly connectable straight-wall pipe comprises a first straight-wall pipe body 1 and a second straight-wall pipe body 4, and is characterized in that the first straight-wall pipe body 1 and the second straight-wall pipe body 4 are connected in a matching manner through a connecting member, the connecting member comprises an external thread connecting piece 3 and an internal thread connecting piece 2 which are in threaded connection, threads of the external thread connecting piece 3 and the internal thread connecting piece 2 are gradually-changed threads in tooth width, the internal thread tooth width 201 of the internal thread connecting piece 2 is M1, the M1 is gradually increased inwards along the end part of an internal thread, the tooth groove width 202 of the first internal thread is M2, the M2 is gradually decreased inwards along the end part of the internal thread, and adjacent M1 and M2 are gradually changed in step size by 0.2 mm; the tooth width 302 of the external thread connecting piece 3 is M3, M3 gradually increases inwards along the end part of the external thread, the tooth groove width 301 of the second internal thread is M4, M4 gradually decreases inwards along the end part of the internal thread, and adjacent M3 and M4 are also gradually changed in size by taking 0.2mm as a step, so that the tooth width is difficult to distinguish by naked eyes; the connecting part of the first straight wall pipe body 1 and the internal thread connecting piece 2 is in radial interference seal fit through conical surface screw joint, and the connecting part of the external thread connecting piece 3 and the second straight wall pipe body 4 is in radial interference seal fit through conical surface screw joint. The threads of the external thread connecting piece 3 and the internal thread connecting piece 2 adopt a thread structure with gradually changed tooth widths, so that all threads can bear the torque resisting effect, the axial and radial deflection is increased, the adaptability to the sedimentation of a pipe base is strong, larger axial tension and compression load can be borne, and the resistance of the straight-wall pipe to soil load is enhanced.
Further, a first sealing conical surface 103 is arranged on the inner wall of the connecting part of the first straight-wall pipe body 1, a first positioning groove 101 is arranged at the inner end of the first sealing conical surface 103, and a first internal thread 102 is arranged on the first sealing conical surface 103; an internal thread sealing conical surface 205 is correspondingly arranged on the left side of the internal thread connecting piece 2, a left end positioning bulge 204 is arranged at the outermost end of the internal thread sealing conical surface 205, and a left end external thread 203 is arranged on the internal thread sealing conical surface 205; when in screw connection, the first sealing conical surface 103 and the internal thread sealing conical surface 205 are in radial interference fit, and the first positioning groove 101 and the left end positioning protrusion 204 are in axial interference seal through concave-convex conical surfaces. When the first straight wall pipe body 1 and the internal thread connecting piece 2 are connected, radial interference sealing and axial interference sealing of the concave-convex conical surface are adopted, the bending resistance is strong, the sealing effect is good, the straight wall pipe is prevented from cracking and deforming, and the service life is prolonged.
Further, a second sealing conical surface 403 is arranged on the inner wall of the connecting part of the second straight-wall tube body 4, a second positioning groove 401 is arranged at the inner end of the second sealing conical surface 403, and a second internal thread 402 is arranged on the second sealing conical surface 403; an external thread sealing conical surface 305 is correspondingly arranged on the right side of the external thread connecting piece 3, a right end positioning bulge 304 is arranged at the outermost end of the external thread sealing conical surface 305, and a right end external thread 303 is arranged on the external thread sealing conical surface 305; when screwing, the second sealing conical surface 403 and the external thread sealing conical surface 305 are in radial interference fit, and the second positioning groove 401 and the right end positioning protrusion 304 are in axial interference seal through concave-convex conical surfaces. When the second straight-wall pipe body 4 and the external thread connecting piece 3 are connected, radial interference sealing and axial interference sealing of the concave-convex conical surface are adopted, the bending resistance is strong, the sealing effect is good, the straight-wall pipe is prevented from cracking and deforming, and the service life is prolonged.
The utility model discloses an assembly method as follows: firstly, the external thread connecting piece 3 and the internal thread connecting piece 2 are screwed until the two pieces cannot be screwed with each other, then the two pieces are taken as a whole connecting piece, the whole connecting piece is rotated, and the whole connecting piece stops rotating when the internal thread connecting piece 2 and the first straight-wall pipe body 1 are screwed into the first positioning groove 101 and the left end positioning bulge 204 are axially sealed in an interference manner; place the connecting piece whole again in the suitable position of being connected with the straight wall body 4 of second, the external thread connecting piece 3 of reverse rotation, make external thread connecting piece 3 toward outer rotation for internal thread connecting piece 2, external thread connecting piece 3 connects soon for the straight wall body 4 of second toward the interior screw thread simultaneously, until second positioning groove 401, when right-hand member location arch 304 axial interference is sealed, stop rotatory external thread connecting piece 3, at this moment, external thread connecting piece 3, internal thread connecting piece 2 still is in mutual thread sealing connection state, internal thread connecting piece 2 accomplishes sealing connection with first straight wall body 1, external thread connecting piece 3 accomplishes sealing connection with the straight wall body 4 of second, the connection action is ended.
The above technical solutions describe the present invention in detail, but do not limit the scope of the present invention. It should be understood that any obvious alterations or substitutions to the present invention by those skilled in the art based on the teachings of the present invention should also be considered as the scope of the present invention.
Claims (3)
1. A quick-connection straight-wall pipe comprises a first straight-wall pipe body (1) and a second straight-wall pipe body (4), and is characterized in that the first straight-wall pipe body (1) and the second straight-wall pipe body (4) are connected in a matched mode through a connecting component, the connecting component comprises an external thread connecting piece (3) and an internal thread connecting piece (2) which are in threaded connection, threads of the external thread connecting piece (3) and the internal thread connecting piece (2) are threads with gradually changed tooth widths, an internal thread tooth width (201) of the internal thread connecting piece (2) is M1, M1 is gradually increased inwards along the end part of an internal thread, a first internal thread tooth groove width (202) is M2, and M2 is gradually decreased inwards along the end part of the internal thread; the tooth width (302) of the external thread connecting piece (3) is M3, M3 is gradually increased inwards along the end part of the external thread, the tooth groove width (301) of the second internal thread is M4, and M4 is gradually decreased inwards along the end part of the internal thread; the connecting parts of the first straight wall pipe body (1) and the internal thread connecting piece (2) are in radial interference seal fit through conical surface screw connection, and the connecting parts of the external thread connecting piece (3) and the second straight wall pipe body (4) are in radial interference seal fit through conical surface screw connection.
2. A quick-connect straight-walled tube according to claim 1, wherein the first straight-walled tube (1) has a first sealing cone (103) on the inner wall of the connecting portion, a first positioning groove (101) is formed at the inner end of the first sealing cone (103), and a first internal thread (102) is formed on the first sealing cone (103); an internal thread sealing conical surface (205) is correspondingly arranged on the left side of the internal thread connecting piece (2), a left end positioning bulge (204) is arranged at the outermost end of the internal thread sealing conical surface (205), and a left end external thread (203) is arranged on the internal thread sealing conical surface (205); when in screw connection, the first sealing conical surface (103) and the internal thread sealing conical surface (205) are in radial interference fit, and the first positioning groove (101) and the left end positioning bulge (204) are in axial interference seal through concave-convex conical surfaces.
3. A quick-connect straight-walled pipe according to claim 1, wherein the second straight-walled pipe (4) is provided with a second sealing cone (403) on the inner wall of the connecting portion, the inner end of the second sealing cone (403) is provided with a second positioning groove (401), and the second sealing cone (403) is provided with a second internal thread (402); an external thread sealing conical surface (305) is correspondingly arranged on the right side of the external thread connecting piece (3), a right end positioning bulge (304) is arranged at the outermost end of the external thread sealing conical surface (305), and a right end external thread (303) is arranged on the external thread sealing conical surface (305); when in screw connection, the second sealing conical surface (403) and the external thread sealing conical surface (305) are in radial interference fit, and the second positioning groove (401) and the right end positioning bulge (304) are in axial interference seal through concave-convex conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002299.5U CN211046413U (en) | 2019-11-19 | 2019-11-19 | But high-speed joint straight wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002299.5U CN211046413U (en) | 2019-11-19 | 2019-11-19 | But high-speed joint straight wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046413U true CN211046413U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922002299.5U Active CN211046413U (en) | 2019-11-19 | 2019-11-19 | But high-speed joint straight wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211046413U (en) |
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2019
- 2019-11-19 CN CN201922002299.5U patent/CN211046413U/en active Active
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